Home / 123,750.26-170,776.05-70,035.38

Finding the Fourth Proportional to 123,750.26, 170,776.05 and 70,035.38

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Solution

The fourth proportional to 123,750.26, 170,776.05 and 70,035.38 is: 96,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,750.26 : 170,776.05 = 70,035.38 : x
  2. Step 2: Convert to fraction form
    123,750.26/170,776.05 = 70,035.38/x
  3. Step 3: Cross multiply
    123,750.26x = 170,776.05 × 70,035.38
  4. Step 4: Simplify right side
    123,750.26x = 11,960,365,556.65
  5. Step 5: Solve for x
    x = 11,960,365,556.65/123,750.26
  6. Step 6: Final answer
    x = 96,649.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.